{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Opioid+Pain+Medication&page=4",
    "query": {
      "condition": "Opioid Pain Medication",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 267,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Opioid+Pain+Medication&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Opioid+Pain+Medication&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T05:25:47.010Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03305055",
      "title": "RCT: Fentanyl Plus Ketamine Versus Fentanyl Alone for Acute Burn Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain",
        "Wound Care",
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "ketamine",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 4,
      "start_date": "2017-12-16",
      "completion_date": "2018-04-21",
      "has_results": true,
      "last_update_posted_date": "2019-03-12",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03305055"
    },
    {
      "nct_id": "NCT05991687",
      "title": "Methods for Effective Disposal of Surplus Analgesics to Facilitate Elimination",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery",
        "Analgesics, Opioids"
      ],
      "interventions": [
        {
          "name": "In-home drug disposal pouch",
          "type": "OTHER"
        },
        {
          "name": "Mail-in prepaid envelope",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2023-07-31",
      "completion_date": "2026-09-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-10",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05991687"
    },
    {
      "nct_id": "NCT06835504",
      "title": "Morphine or Ketamine for Analgesia",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Abdominal Pain",
        "Isolated Extremity Fracture",
        "Pain",
        "Pediatrics"
      ],
      "interventions": [
        {
          "name": "Ketamine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Morphine sulphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 1010,
      "start_date": "2026-09-01",
      "completion_date": "2030-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Sacramento, California • Wilmington, Delaware + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06835504"
    },
    {
      "nct_id": "NCT07391891",
      "title": "Musical Mindfulness for Pain in the ED Waiting Room",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Music Therapy for Pain and Sedation",
        "Neck Pain Musculoskeletal",
        "Back Pain"
      ],
      "interventions": [
        {
          "name": "Music intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2026-02-15",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07391891"
    },
    {
      "nct_id": "NCT01004393",
      "title": "Methylnaltrexone for Opioid-induced Constipation in Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neoplasms",
        "Constipation",
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Methylnaltrexone bromide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2009-10",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01004393"
    },
    {
      "nct_id": "NCT00313833",
      "title": "Safety and Effectiveness of Buprenorphine Transdermal System in Elderly Subjects With Chronic Pain: Pilot Study.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Buprenorphine transdermal delivery system",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2000-12",
      "completion_date": "2001-11",
      "has_results": false,
      "last_update_posted_date": "2006-05-03",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Anaheim, California + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Southbury",
          "state": "Connecticut"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00313833"
    },
    {
      "nct_id": "NCT05370404",
      "title": "Prescribing Vs. Recommending Over-The-Counter (PROTECT) Analgesics for Patients with Postoperative Pain:",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Prescription by surgical team",
          "type": "OTHER"
        },
        {
          "name": "Recommendation by surgical team",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2022-09-30",
      "completion_date": "2024-11-29",
      "has_results": false,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05370404"
    },
    {
      "nct_id": "NCT03375216",
      "title": "Quantitative Sensory Testing in Chronic Pain Patients Undergoing Opioid Treatment and Opioid Tapering",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Analgesic Drug Dependence",
        "Sensory Deficit"
      ],
      "interventions": [
        {
          "name": "sensory testing (Heat, cold, and pressure)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Promis Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 43,
      "start_date": "2017-12-22",
      "completion_date": "2023-11-18",
      "has_results": false,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03375216"
    },
    {
      "nct_id": "NCT02737826",
      "title": "Discontinuation From Chronic Opioid Therapy For Pain Using a Buprenorphine Taper",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid Pain Medication"
      ],
      "interventions": [
        {
          "name": "Buprenorphine Initiation - Phase I",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin + Buprenorphine - Phase II",
          "type": "DRUG"
        },
        {
          "name": "Placebo + Buprenorphine - Phase II",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine taper - Phase II",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 32,
      "start_date": "2016-05",
      "completion_date": "2021-01-13",
      "has_results": true,
      "last_update_posted_date": "2022-12-01",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02737826"
    },
    {
      "nct_id": "NCT04545229",
      "title": "VR for Pain Management During Adult Burn Dressing Change",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Burns"
      ],
      "interventions": [
        {
          "name": "VR-based Pain Alleviation Tool (VR-PAT)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 14,
      "start_date": "2019-02-01",
      "completion_date": "2019-11-24",
      "has_results": false,
      "last_update_posted_date": "2024-04-30",
      "last_synced_at": "2026-10-07T05:25:47.010Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04545229"
    }
  ]
}